For microbiological and other laboratory work in which supporting elements carrying an active substance is brought into contact with a substrate there is provided a supporting element of tubular or other shape and adapted to be forced through the subs...
A test card adapted for the performance of an immunochemical diagnostic or serological test thereon comprises a test surface member and a covering member foldable thereon, the covering member being provided with circular convex windows which when fold...
REYNOLDS TOBACCO CO R
A thermostable lactase is obtained by cultivation of a member of the genus Bacillus in a suitable nutrient medium. The resulting lactose-containing cells or the cell-free enzyme are useful for the hydrolysis of lactose in a variety of substrate media....
New amino sugars which are glucopyranosyl and oligoglucosidyl derivatives of 4,6-bisdesoxy-4-(4,5,6-trihydroxy-3-hydroxymethylcyclohex-2-en-1-ylami no)- alpha -D-glucopyranose inhibit glycoside hydrolases of the digestive tract. The compounds, of whic...
EISAI CO., LTD.
Novel desacyl-pepsidine and process for the preparation thereof comprising contacting N-acyl-pentapeptide with a bacterium which belongs to Bacillus pumilus. The new compounds are useful as pepsin-inhibitor and as intermediates for the preparation of ...
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE GOVERNMENT
An artificial substrate consisting of a 2-alkanoylamino-4-nitrophenyl phosphorylcholine hydroxide is used for determining the sphingomyelinase activity in an extract of human cells or tissues by incubating the substrate together with the extract, wher...
SERVO CHEM AB
The invention relates to an enzyme electrode which can be sterilized and regenerated and which has a sensitive surface and an enzyme in contact therewith. A semipermeable membrane is arranged at a distance from the sensitive surface of the detecting e...
A cell culture reactor system is provided for the growth of cells in vitro which employs elongate hollow or solid fibers arranged in a shallow layer configuration as a matrix for cell attachment in which the flow path of the culture media is directed ...
An apparatus for growing animal cells of this invention comprises tubes with a hole near bottom of each tube and a variable angle tube holder. Cells may be attached and proliferated in the tubes which contain a nutrient medium, which can be removed si...
EASTMAN KODAK COMPANY